Fixed loading of tilesets and images from tilemaps to correctly use relative paths. FPS has dropped dramatically on tilemap rendering - impact as much as 75% - and I think it has something to do with the string limits that had to be increased to make this work. Probably has to do with SDL string property hashing in the registry methods related to tilesets.

include/akgl/error.h

@@ -1,6 +1,17 @@
 #ifndef _ERROR_H_
 #define _ERROR_H_
 
+// This macro is used to silence warnings on string concatenation operations that may fail.
+// e.g., combining two element of PATH_MAX into a string buffer of AKGL_STRING_MAX_LENGTH.
+// We have to draw a line in the sand somewhere or we will just let our buffers grow forever
+// to keep the compiler happy.
+#define DISABLE_GCC_WARNING_FORMAT_TRUNCATION	\
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wformat-truncation\"")
+
+#define RESTORE_GCC_WARNINGS \
+    _Pragma("GCC diagnostic pop")
+
 #define AKGL_ERR_SDL               AKERR_LAST_ERRNO_VALUE + 1
 
 #endif // _ERROR_H_